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US07725683B2 Apparatus and method for power optimized replay via selective recirculation of instructions 有权
通过指令的选择性再循环进行功率优化重放的装置和方法

Apparatus and method for power optimized replay via selective recirculation of instructions
Abstract:
A method and apparatus for power optimized replay. In one embodiment, the method includes the issuance of an instruction selected from a queue. Once issued, the instruction may be enqueued within a recirculation queue if completion of the instruction is blocked by a detected blocking condition. Once enqueued, instructions contained within the recirculation queue may be reissued once a blocking condition of an instruction within the recirculation queue is satisfied. Accordingly, a power optimized replay scheme as described herein optimizes power while retaining the advantages provided by selectively replaying of blocked instructions to improve power efficiency.
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